On Sat, Apr 9, 2022, 2:10 AM Rob Pike wrote: > The PDP-11/40 in the University of Toronto's Computer Research Facility > (CRF) had a GT-40, and the lead EE prof there loved the screen editor RT-11 > provided for it. I never used it, but I was intrigued. (I did land the LM a > few times, though. More than a few.) > > Across the raised floor aisle was the PDP-11/45, which ran Unix from 5PM > to 8AM if I remember right, RT-11 the rest of the time, until some date > around 1976 or 1977 (?), when Unix became an unstoppable force for > innovation. > Also the approximate date of the rt11 emulation being viable on Unix... Warner -rob > > > On Sat, Apr 9, 2022 at 4:35 PM Lars Brinkhoff wrote: > >> Dave Horsfall wrote: >> >> I have fond memories of playing it on the GT-40, and if Andrew Hume >> >> is reading this he'll remember reverse-engineering the code and >> >> modifying it for three-play operation; I think Peter Ivanov also >> >> implemented reverse gravity... >> > Oops; reverse gravity (for the Sun) was implemented for Space Wars (or >> > whatever it was called; this was ~40 years ago, so don't expect my >> memory >> > to be the best). >> >> I wonder how many GT40 Spacewar implementations there were? >> I have seen two: one from MIT, the other from Stanford. >> >